5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
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I am a newbie to this forum and have just acquired a 1998 540i (not the sport package) it has 77000 miles on it and I have just had the thermostat and the 2 pre-cat oxys replaced. it also had a knock sensor code come up but I was told that the job required to replace it would run about 1800 dollars as it was the same as if I was doing my valley pan.
I am not aware as to what level of importance the knock sensor holds as far as it doing any damage to the engine.
Am i able to drive the car? or is it something that will do irreparable damage in a short period of time.
I would appreciate any feeback as I have checked this forum and it seems to be the most experienced when dealing with the bmw.
Thanks
Richard
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